Jurnal WasianPub Date : 2016-12-23DOI: 10.20886/JWAS.V3I2.1982
Relawan Kuswandi
{"title":"Timber Volume Estimation Model for Merchantable Tree Species in Sarmi Regency, Papua","authors":"Relawan Kuswandi","doi":"10.20886/JWAS.V3I2.1982","DOIUrl":"https://doi.org/10.20886/JWAS.V3I2.1982","url":null,"abstract":"Precise forest inventory to estimate standing stock is needed in forest management planning. Therefore, it is necessary to have proper and reliable tools in estimating merchantable timber volume. This research was intended to build an accurate model to estimate timber volume for merchantable species in logging concession of PT Wapoga Mutiara Timber, Sarmi Regency. Regression equation between diameter and length did not have a significant correlation (coefficient of determination, R 2 = 6.7 %). The best equation to estimate table tree volume based on validation test in logging concession of PT Wapoga Mutiara Timber was Log V = - 3.34 + 2.16 log d.","PeriodicalId":31303,"journal":{"name":"Jurnal Wasian","volume":"3 1","pages":"91-96"},"PeriodicalIF":0.0,"publicationDate":"2016-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67603789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jurnal WasianPub Date : 2016-12-23DOI: 10.20886/JWAS.V3I2.1879
A. Hani
{"title":"The Effect of Three Spacing and Goat Urine Application on Early Growth of Manglid","authors":"A. Hani","doi":"10.20886/JWAS.V3I2.1879","DOIUrl":"https://doi.org/10.20886/JWAS.V3I2.1879","url":null,"abstract":"The productivity of manglid (Magnolia champaca (L.) Baill. Ex Pierre) as the prominent plant commodity in West Java, can be improved by environmental manipulation such as spacing and fertilization. The objective of this research is to identify the effect of plant spacing and the use of goat urine as the leaves fertilizer on manglid planting until 19 month old. We used Randomized Block with Split Plot Design using three times replication. Main factor to be considered is the plant spacing with three different space :3 x 3 m (J1) ; 2 x 3 m (J2) and 2 x 2 m (J), while the secondary factor is three different doses of goat urine given : control (P1), 240 ml (P2), and 480 ml(P3. The results showed that the best treatment of planting manglid were treatment spacing of 2 x 2 m with goat urine fertilizer application as much as 240 ml per plant that produces high 191,5 cm and 3.83 cm of diameter up to the age of 19 months.","PeriodicalId":31303,"journal":{"name":"Jurnal Wasian","volume":"3 1","pages":"51-58"},"PeriodicalIF":0.0,"publicationDate":"2016-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67603730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jurnal WasianPub Date : 2016-12-23DOI: 10.20886/JWAS.V3I2.2358
Y. Bramasto, N. Wijayanto, I. Siregar, I. Darma
{"title":"The Variability of Seed Viability and Seed Vigour of Mindi (Melia azedarachlinn.) from Several Populations in The Community Forest of West Java","authors":"Y. Bramasto, N. Wijayanto, I. Siregar, I. Darma","doi":"10.20886/JWAS.V3I2.2358","DOIUrl":"https://doi.org/10.20886/JWAS.V3I2.2358","url":null,"abstract":"The procurement of good quality seeds for the development of mindi ( Melia azedarach L.) in the community forest is absolutely necessary. The purpose of this research is to investigate the diversity of the viability and seedling vigor of mindi from different populations with various treatments of dormancy breaking. The sample materials were mindi seeds that were collected from 6 locations (6 seed lots) or seed sources which were located in the community forest of West Java. There are 10 treatments of dormancy breaking that were applied in this study. The experiment design was Randomized Complete Design (RAL). The breaking dormancy was focused to the delignification of hard seed coat. Results showed that the most effective dormancy breaking for mindi seed was soaking in consentrated Sulfuric Acid (H 2 SO 4 ) as long as 30 to 45 minutes. The first count for germination of mindi was on the 16 day and the final count was on the 31 day.The average value of germination percentage (DB) for all seed sources was 40 %, while the highest which is 60% was mindi from Sumedang seed source. The highest value of germination rate that is 6,543%/etmal was seed from Sumedangand seed from Gambung was the lowest ( 1,400 %/etmal ). Keywords : community forest, Melia azedarach L ., variation, viability, vigor.","PeriodicalId":31303,"journal":{"name":"Jurnal Wasian","volume":"3 1","pages":"69-78"},"PeriodicalIF":0.0,"publicationDate":"2016-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67603886","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jurnal WasianPub Date : 2016-12-23DOI: 10.20886/jwas.v3i2.1485
A. Suryawan
{"title":"Survival Rate, Growth and Seedling Quality Index of Baringtonia Asiatica Kurz Stump Due to Length Variation of Stems and Roots","authors":"A. Suryawan","doi":"10.20886/jwas.v3i2.1485","DOIUrl":"https://doi.org/10.20886/jwas.v3i2.1485","url":null,"abstract":"There are 14805.14 ha of North Sulawesi coastal ecosystems that has been damaged. Baringtonia asiatica Kurz (Keben) is one type of coastal plants that can be used to protect coastal areas . Unfortunately, the propagation technique of Keben was not widely studied. This study aims to determine the characters of seedlings produced from the stumps of seed germination. The research used Complete Random Design with nine treatments, consisting of combination betwen three levels of root length (0 cm, 5 cm and 10 cm), and three levels of the stems length (5 cm, 15 cm and 30 cm). Parameters for analysis include percent of success, growth and quality index. The results show that root length and stem length factors significantly affect the height and robustness value. Treatment of root length of 10 cm and 5 cm rods allegedly produces the most excellent quality with the survival rates 93%, height 10.3 cm, diameter 1.08 cm, robustness value 2.03 and index of seed quality 1.35. Based on regulation of land rehabilitation, the height of 10 weeks stump have not qualified yet.","PeriodicalId":31303,"journal":{"name":"Jurnal Wasian","volume":"3 1","pages":"97-104"},"PeriodicalIF":0.0,"publicationDate":"2016-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67604014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jurnal WasianPub Date : 2016-06-28DOI: 10.20886/jwas.v3i1.1174
N. Wahyuni, H. S. Mokodompit
{"title":"Structure, Composition and Diversity of Tree Species at Inobonto Poigar I Production Forest, Forest Management Unit of Poigar, North Sulawesi","authors":"N. Wahyuni, H. S. Mokodompit","doi":"10.20886/jwas.v3i1.1174","DOIUrl":"https://doi.org/10.20886/jwas.v3i1.1174","url":null,"abstract":"Most of primary forest after exploitation era in Indonesia was converted into secondary forest including Forest Management Unit of Poigar. On the other hand the understanding of forest vegetation will help ecology restoration efforts. This study aims to analyze the structure, composition and tree species diversity of Inobonto Poigar I. In order to accomplish the proposed objectives, 31 plots of 20 m x 20 m were randomly established in the forest area where number and name of tree species in each plot was identified and counted. The research was conducted on September 2014 and recorded a total of 78 species within measured plot. The average basal area of the forest was 16,77 m2/ha and the size class distribution was different from primary forest which is resembled a reserved J-shaped pattern. Trema orientalis was found as the dominant species among tree and pole levels, whereas Piper sp. dominated sapling level respectively. The Shannon-Wiener index showed that sapling has the higher diversity than tree and poles. The result of structure and composition analysis of vegetation has indicated that Inobonto I forest is secondary forest.","PeriodicalId":31303,"journal":{"name":"Jurnal Wasian","volume":"3 1","pages":"45-50"},"PeriodicalIF":0.0,"publicationDate":"2016-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67603453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jurnal WasianPub Date : 2016-06-28DOI: 10.20886/jwas.v3i1.891
S. Tabba, Lis Nurrani
{"title":"Distribution of Avifauna in Aketajawe Lolobata National Park Based on Zone and Land Cover Typology","authors":"S. Tabba, Lis Nurrani","doi":"10.20886/jwas.v3i1.891","DOIUrl":"https://doi.org/10.20886/jwas.v3i1.891","url":null,"abstract":"Aketajawe Lolobata National Park (TNAL) is a protected area for paradise birds, parrots and others North Maluku endemic wildlife. As a former of commercial logging concessions, this areas have been damaged and loss of wildlife habitat. The purpose of this research was to determine bird species of TNAL area based on zone category, this research is important in order to validate data related to the birds species diversity. Data collection used the observation point system with purposive sampling by direct observation and audio. The number of observation points were six points in core zone, ten points in both of jungle and traditional zone, and six points in buffer zone. Research showed that there are 39 species found in the buffer zone, 45 species in jungle and traditional zone, and 19 species in core zone . Wallace’s standardwing ( Semioptera wallacei ) is one of the 15 endemic species of North Maluku was found along drummer rail ( Habroptila wallacii ) which is Halmahera ’s endemic species. Distribution pattern of birds in TNAL is very varied. The jungle and traditional zone have the amount and the highest species diversity while the highest species variation was in the buffer zone. The natural habitat of bird in this area generally located in open area along former road skid as well as forest edge and only a few were found in primary forest of core zone.","PeriodicalId":31303,"journal":{"name":"Jurnal Wasian","volume":"3 1","pages":"25-38"},"PeriodicalIF":0.0,"publicationDate":"2016-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67603923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jurnal WasianPub Date : 2016-06-28DOI: 10.20886/jwas.v3i1.883
A. Irawan, H. Hidayah
{"title":"Growth Comparison of Red Jabon in North Bolaang Mongondow and North Minahasa","authors":"A. Irawan, H. Hidayah","doi":"10.20886/jwas.v3i1.883","DOIUrl":"https://doi.org/10.20886/jwas.v3i1.883","url":null,"abstract":"Red Jabon is priority species that projected to be developed in plantation forests of North Minahasa Regency. Red Jabon is can adapt well various environmental conditions. The natural habitat of the red Jabon in North Sulawesi region was known in North Bolaang Mongondow. This study aimed to compare the growth of red jabon at the age of 1 year in North Minahasa Regency and North Bolaang Mongondow. The experiment was conducted in two (2) locations i.e. in Talawaan Village (North Minahasa Regency) and Nunuka Village (North Bolaang Mongondow). Two independent samples t test was conducted to determine the differences in height and diameter growth parameters at two test sites.The results showed that there was no difference in the growth of red Jabon between North Minahasa and North Bolaang Mongondow. The average height and diameter of red Jabon in North Minahasa Regency is at 215.84 cm and 4.34 cm, while the same parameters of North Bolaang Mongondow amounted to 231.79 cm and 4.14 cm. The development efforts on the plantations of red Jabon North Minahasa Regency need to be improved because of the environmental conditions in this region is very suitable for the growth of red Jabon.","PeriodicalId":31303,"journal":{"name":"Jurnal Wasian","volume":"3 1","pages":"39-44"},"PeriodicalIF":0.0,"publicationDate":"2016-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67603264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jurnal WasianPub Date : 2016-06-28DOI: 10.20886/jwas.v3i1.888
D. Arini
{"title":"Birds Species of Rallidae Family in Forestry and Environment Research and Development Institute of Manado","authors":"D. Arini","doi":"10.20886/jwas.v3i1.888","DOIUrl":"https://doi.org/10.20886/jwas.v3i1.888","url":null,"abstract":"This study aims to determine species and conservation status of Rallidae family in Forestry and Environment Research and Development Institute of Manado; also the prospect of its development. This study may provide a source of data and information on the diversity of certain bird species. Observations conducted in June 2015 included the species of birds in Rallidae family found around the Forestry and Environment Research and Development Institute of Manado. Data were analyzed descriptively in the forms of figures and tables. Results showed that there were three species within this family found in Manado Forestry Research Institute. Those were isabelline bush-hen (Amaurornis isabellina), buff-banded rail (Gallirallus philippensis), and Barred Rail (Gallirallus torquatus). All three species are not protected in Indonesia and IUCN categorized them as Least Concern (LC). Isabelline bush-hen is endemic to the island of Sulawesi, while buff-banded rail and barred rail have a wide distribution. Weris has a good prospect to be domesticated.","PeriodicalId":31303,"journal":{"name":"Jurnal Wasian","volume":"3 1","pages":"09-16"},"PeriodicalIF":0.0,"publicationDate":"2016-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67603339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jurnal WasianPub Date : 2016-06-28DOI: 10.20886/JWAS.V3I1.864
H. A. Adinugraha, M. Mahfudz
{"title":"Genetic Parameter Estimation of Teak Clonal Test At 5 Years Old in Wonogiri, Central Java","authors":"H. A. Adinugraha, M. Mahfudz","doi":"10.20886/JWAS.V3I1.864","DOIUrl":"https://doi.org/10.20886/JWAS.V3I1.864","url":null,"abstract":"Trial research of teak clones was located in Wonogiri, Central Java. This research was conducted in order to evaluate the growth performance of teak clones that can be developed for forest plantation and private forest. Establishment of teak clones test was conducted in 2002 using 20 clones with Randomized Completely Block Design/RCBD consisting of 5 ramets and 5 replications with plant spacing of 2 m x 6 m . The second plot was established in 2005 using 100 clones with RCBD that consisted of 3 ramets and 5 replications with spacing of 2 m x 6 m. The observation and measurement on height and diameter at breast height/dbh were carried out periodically in every year to determine the level of plant growth The results showed that the average growth at the age of 5 years in two test plot clones are height from 8,73 to 9,97 m , tree diameter from 8.61 to 13.14 cm and tree volume estimated 0,046 - 0,103 m3. Estimated heritability clones of tree height and diameter were 0,18; 0,29 in plot 1 and 0,32; 0,38 in plot 2.","PeriodicalId":31303,"journal":{"name":"Jurnal Wasian","volume":"3 1","pages":"17-24"},"PeriodicalIF":0.0,"publicationDate":"2016-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67603582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jurnal WasianPub Date : 2016-06-28DOI: 10.20886/JWAS.V3I1.873
R. Prayudyaningsih
{"title":"Soil Mesofauna Response to Cover Crops and Mycorrhizal Inoculated Plantation on Limestone Quarry Revegetation","authors":"R. Prayudyaningsih","doi":"10.20886/JWAS.V3I1.873","DOIUrl":"https://doi.org/10.20886/JWAS.V3I1.873","url":null,"abstract":"Cover crops establishment followed by mycorrhizal inoculated tree plantation accelerate limestone quaryy restoration. Soil mesofauna is a useful indicator for assessing biodiversity recovery, as they are sensitive to human disturbance and involved in ecological processes. In this research, soil mesofauna presence used to evaluate limestone quarry restoration by cover crops and mycorrhizal inoculated tree esatblisment. Soil mesofauna are measured using individual density, species diversity, richness and important value. The study was conducted in four types of areas on limestone postmining lands are open areas/natural conditions without planting, cover crop area, non mycorrhizalinoculated plant area and mycorrhizal-inoculated plant area. The result showed The higher individual density, diversity and species richness of soil mesofauna on cover crops and mycorrhizal inoculated plant area than other areas are indicators of limestone quarry restoration rate. Furthermore the presence of Formicidae family that dominated on cover crops and mycorrhizal inoculated plant area, and emergence of Acari group only on mycorrhizal inoculated area also an indicator of limestone quarry restoration .","PeriodicalId":31303,"journal":{"name":"Jurnal Wasian","volume":"3 1","pages":"01-08"},"PeriodicalIF":0.0,"publicationDate":"2016-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67603675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}